What is the value of x when the richter scale rating is 7.9

britney is buying a hat at the mall. the shirt costs $31.59, and the hat costs $19.46. if Britney gives the sales clerk $100.00, how much charge should she receive? (ignore sales tax)

In a certain Algebra 2 class of 27 students, 5 of them play basketball and 12 of them play baseball. There are 2 students who play both sports. What is the probability that a student chosen randomly from the class plays basketball or baseball?

What goes into 55 and 11

Is the given number a solution of the equation? c = 2c - 4; 8 A. yes B. no When you find the answer, can you show me how? I don't remember how to isolate the variable.

Beef is $11.99 per pound and chicken is $6.49 per pound. Kevin wants to purchase 2.5 pounds of beef and 1.8 pounds of chicken. How much does he spend?

Taylor is buying shares of stock that cost 8 dollars each. How many shares can he buy if he can spend no more than 250 dollars?

How many cubic yards is on a area 75'diameter 1.75' thick

On monday, roger drove to work in 20 minutes. on tuesday, he averaged 15 miles per hour more, and it took him 6 minutes less to get to work. how far in miles does he travel to work?

Wyatt's room is a rectangle with a perimeter of 40 feet. The wiidth of the room is 8 feet. What is the length of the room?

The graph shows the locations of a ball and a player